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Tag: "fetal" at biology news

DNA-damage test could aid drug development

... an established cell-culture system based on mouse fetal liver cells to create a new system based on adult red cell precursors from mouse bone marrow. Shuga patiently optimized the system, which allows the precursor cells to proliferate and differentiate in the normal way, dividing four or five times befor...

Pitt study notes decline in male births in the US and Japan

...hs in Japan since 1970. They also found that while fetal death rates have generally decreased, the proporti...n, they noted that African-Americans have a higher fetal mortality rate overall and a higher proportion of male fetuses that die. “These results are not...

3-D ultrasound identifies women at risk for impending preterm birth

...th, 3-D ultrasound was used to measure the size of fetal adrenal glands, according to an abstract presented...rement. "Our results suggest that examining the fetal adrenal gland at the time a woman is evaluated for symptoms of preterm labor, may have major benefic...

First-degree fetal heart block may be reversible

There is an increased risk of fetal heart problems when mothers carry particular antib...tibodies to determine if there were early signs of fetal heart problems. They also explored whether early treatment would reverse the problems. The team ...

Penn researchers replace organ in adult mice using 'single-parent' stem cells

...ertilized egg. The researchers could then harvest fetal liver cell precursors for transplant. Ultimately, the scientists found that uniparental cells, regardless of parent of origin, were able to functionally replenish the entire blood-producing system of adult mice. The scientists were able to mai...

Statin plus cancer drug deliver combo punch to brain cancer cells

...0s, cyclopamine is a powerful toxin known to stunt fetal development and cause birth defects in humans and animals. Its connection to anti-cancer efforts grew out of later insights into its blockage of hedgehog, which gets its name from spiky hairs that develop on fruit flies lacking the signal. "We alr...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...oss in newborn children who were infected in early fetal life. Estimates place the number of U.S. children born with CMV each year at about 40,000, and there is no vaccine or treatment for pregnant women who have the infection. In a 2000 report, the Institute of Medicine of the National Academy of Scienc...

Ultrasound upgrade produces images that work like 3-D movies

...fetus that is traditionally used in the testing of fetal ultrasound imaging devices. (Watch the video, incl...o them as well," Smith said. "Keepsake DVDs of the fetal exam could also be viewed at home in 3-D stereo." The goggles would soon become obsolete, he adde...

New culture method for hepatitis C virus uses primary hepatocytes and patient serum

...n in transfected and serum-infected cultured human fetal hepatocytes," appears in the February issue of The... of Medicine has crossed this hurdle using a human fetal hepatocyte culture system that was previously developed in his lab. Using this system, his group has...

A revolution in the monitoring of unborn babies

...dical Research and Venture Capital, to develop the fetal heart monitor. Researchers believe the device has ...ecessary and potentially save their lives. The fetal monitor is the result of years of collaborative work between engineers and doctors at the University...

Stem cell therapy shows promise for rescuing deteriorating vision

...n rats, neural progenitor cells derived from human fetal stem cells have been shown to protect the vision of animals with degenerative eye disease similar to the kinds of diseases that afflict humans. The new study appears today (March 28) in the journal Public Library of Science (PLoS) One. The lead au...

A potential biological cause for sudden infant death syndrome

...the abnormalities they observed begin during early fetal development, and that prenatal insults like maternal smoking and alcohol use may adversely affect development of the brainstem serotonin system during this time. More research is needed to explain what causes the abnormalities and how they can be pr...

U of MN researchers turn cord blood into lung cells

...otherapy. Type II alveolar cells develop late in fetal development, which is why some premature babies are born with underdeveloped lungs. The cells and the air sacs as a whole continue to mature and develop through a child's first few years of life. Now the researchers will try to better characteriz...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

...manent consequences. That vulnerability lasts from fetal development through infancy and childhood to adolescence. Research has shown that environmental toxicants, such as lead or mercury, at low levels of exposure can have subclinical effects--not clinically visible, but still important adverse effects, s...

Detailed 3-D image catches a key regulator of neural stem cell differentiation in action

...ve us a lot of insight into the development of the fetal nervous system and would allow us to chemically push embryonic stem cells to acquire a neuronal fate in an informed way," adds Pfaff. Scp1 belongs to group of proteins called small carboxyl-terminal phosphatases (SCPs) that are expressed in almost...

Scientists explore how complex organs develop from a simple bud

... to which defects in the growth and development of fetal stage organs can affect organ function after birth -- have important implications for human health. Two of the reviews in the Journal delve into tubulogenesis ?a process that is intimately tied to branching morphogenesis. Another contains research ...

Down syndrome: It's not just the age factor

...ortant implications for the prevention of abnormal fetal development. The authors conclude that "clearly, identification of the relaxation control mechanisms and therapeutic restoration of a stringent screen holds promise not only for Down Syndrome." ...

Research links 'ecstasy' to survival of key movement-related cells in brain

...the survival of dopamine cells in the brain during fetal development. Because these cells are critical in the regulation of voluntary movement, the findings, the researchers say, may lead to better therapies for neurological diseases like Parkinson's. Led by Jack Lipton, PhD, professor of psychiatry, ...

Technology for monitoring fetal oxygen during labor offers no apparent benefit

...Health research network. The technology, known as fetal oxygen saturation monitoring, was designed for use along with electronic fetal monitoring, which tracks the fetal heart rate, to measure changes in fetal oxygen levels. Designers...

Scientists solve 30-year-old mystery of mutant mouse's kidney woes

...nal Academy of Sciences. Ultrasonic scans reveal fetal hydronephrosis, or enlargement of the kidney, in a...of environmental and genetic factors contribute to fetal hydronephrosis. However, they frequently cannot tie it to any causative factors, making it difficult...

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